424822920 has 64 divisors (see below), whose sum is σ = 1283688000. Its totient is φ = 112466688.

The previous prime is 424822901. The next prime is 424822921. The reversal of 424822920 is 29228424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (424822921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 29414.

It is an arithmetic number, because the mean of its divisors is an integer number (20057625).

Almost surely, 2^424822920 is an apocalyptic number.

424822920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424822920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641844000).

424822920 is an abundant number, since it is smaller than the sum of its proper divisors (858865080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424822920 is a wasteful number, since it uses less digits than its factorization.

424822920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25622 (or 25618 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 424822920 is about 20611.2328597782. The cubic root of 424822920 is about 751.7428623262.

The spelling of 424822920 in words is "four hundred twenty-four million, eight hundred twenty-two thousand, nine hundred twenty".